504 GATEWAY

问题描述

spring cloub项目通过访问服务的http接口偶尔会出现“504 GATEWAY_TIMEOUT "Response took longer than timeout:PTxxx”的异常。

问题处理

通过测试发现是服务的接口还未返回结果时，gateway就以几个返回了异常，判断出是gateway的HTTP接口的responseTimeout配置原因。 原有配置：

spring:

cloud:

gateway:

httpclient:

connect-timeout: 1000

response-timeout: 5s

修改后：

spring:

cloud:

gateway:

httpclient:

connect-timeout: 1000

response-timeout: 10s

gateway超时配置

全局http超时：

connect-timeout必须以毫秒为单位指定。 response-timeout必须指定为java.time.Duration

spring:

cloud:

gateway:

httpclient:

connect-timeout: 1000

response-timeout: 10s

单个路由配置

这个配置未测试

- id: per_route_timeouts

uri: https://example.org

predicates:

- name: Path

args:

pattern: /delay/{timeout}

metadata:

response-timeout: 200

connect-timeout: 200

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